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Study of Multiple Adhesion Properties and Purification Methods of Mixed Microstickies from Whitewater with Cellulase Treatment
Received:August 10, 2022  
DOI：10.11980/j.issn.0254-508X.2023.04.011
Key Words:whitewater  microstickies  cellulase  multiple adhesion
Fund Project:国家自然科学基金面上项目（31470607）；广东省重点领域研发计划项目（2022B1111080004）；广东省自然科学基金（2021A1515011012）；污染物分析与资源化技术湖北省重点实验室（湖北师范大学）开放课题（PA200101）。
Author NameAffiliationPostcode
LI Wei* Stake Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640
National Demonstration Center for Experimental Light Industry and Food Education， South China University of Technology， Guangzhou， Guangdong Province， 510640
Hubei Key Lab of Pollutant Analysis & Reuse Technology （Hubei Normal University）， Huangshi， Hubei Province， 435002 		435002
LI Xuetong Stake Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640
National Demonstration Center for Experimental Light Industry and Food Education， South China University of Technology， Guangzhou， Guangdong Province， 510640 		510640
LI Linsheng Stake Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640
National Demonstration Center for Experimental Light Industry and Food Education， South China University of Technology， Guangzhou， Guangdong Province， 510640 		510640
KUANG Yuelin Stake Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640
National Demonstration Center for Experimental Light Industry and Food Education， South China University of Technology， Guangzhou， Guangdong Province， 510640 		510640
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Abstract:In this study， the multiple adhesion properties and law of mixed microstickies from whitewater with cellulase treatment on different adhesion materials were explored. The results showed that cellulase had a dispersing effect， which could make the size of mixed microstickies particles from white-water decrease significantly， and the large particles （0.5~10 μm） were dispersed into small particles （0.2~0.5 μm）， the total volume decreased and the number of particles increased.The hydrophilicity/hydrophobicity of the surface of multiple adhesion materials affected the adhesion properties， which affected the efficiency of adhesion purification of mixed microstickies with cellulase treatment. The highest purification efficiency of 68.6% was from copper sheet-cotton cloth； the lower purification efficiency of 48.1% was from cotton cloth-copper； and the lowest purification efficiency of 13.4% was from copper foam-cotton sheet.
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